2021 Chaos Communication Congress Cancelled
https://hackaday.com/2021/10/02/2021-chaos-communication-congress-cancelled/

With mass vaccination programmes and careful application of public health measures it almost feels for some of us as though the pandemic is under control. Any thoughts of it being …read more (https://hackaday.com/2021/10/02/2021-chaos-communication-congress-cancelled/)

A Glowing Potato Peeler Makes A Nernst Lamp
https://hackaday.com/2021/10/02/a-glowing-potato-peeler-makes-a-nernst-lamp/

Over the last couple few decades there has been a great shift in electric lighting, first towards more compact and efficient fluorescent lights, and then towards LED bulbs. The old …read more (https://hackaday.com/2021/10/02/a-glowing-potato-peeler-makes-a-nernst-lamp/)

Steppers and ESP32 Make This Retro-Modern Flip-Clock Tick
https://hackaday.com/2021/10/02/steppers-and-esp32-make-this-retro-modern-flip-clock-tick/

Before LEDs became cheap enough to be ubiquitous, flip-card displays were about the only way to get a digital clock. These entirely electromechanical devices had their own charm, and they …read more (https://hackaday.com/2021/10/02/steppers-and-esp32-make-this-retro-modern-flip-clock-tick/)

Mini Laser Engraver Could Carve Out a Place on Your Desk
https://hackaday.com/2021/10/02/mini-laser-engraver-could-carve-out-a-place-on-your-desk/

Got a couple of old DVD-RW drives lying around, just collecting dust? Of course you do. If not, you likely know where to find a pair so you can build …read more (https://hackaday.com/2021/10/02/mini-laser-engraver-could-carve-out-a-place-on-your-desk/)

Some Pleasing Experiments in 8-Bit Video Cards
https://hackaday.com/2021/10/03/some-pleasing-experiments-in-8-bit-video-cards/

These days, supply chain factors and high demand have made it incredibly difficult to lay one’s hands on a GPU. However, if you’re into older computers, you might find it …read more (https://hackaday.com/2021/10/03/some-pleasing-experiments-in-8-bit-video-cards/)

What Goes Into a High Voltage Diode?
https://hackaday.com/2021/10/03/what-goes-into-a-high-voltage-diode/

When we use an electronic component, we have some idea of what goes on inside it. We know that inside a transistor there’s a little piece of semiconductor with a …read more (https://hackaday.com/2021/10/03/what-goes-into-a-high-voltage-diode/)

Supercapacitor E-Bike With DIY Motor
https://hackaday.com/2021/10/03/supercapacitor-e-bike-with-diy-motor/